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Which of the following does the catalytic converter consist for reduction of emissions from petrol driven vehicles?

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Which of the following does the catalytic converter consist for reduction of emissions from petrol driven vehicles?

(a) Non-metal support

(b) Ceramics support

(c) Gels and sols support

(d) Radioactive element support

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Query is from Anti Knocking Agents topic in chapter Fuels and Combustion of Engineering Chemistry II

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The correct choice is (b) Ceramics support

To elaborate: The catalytic converter consists of ceramic or metallic honeycomb support coated with a propriety low cost catalyst, housed in a suitably designed non-corrosive metallic housing. This catalytic converter was developed by NEERI, Nagpur.

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